Radio tuner



FIG. 1 is a front, bottom and right side perspective view of a radiotuner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a front perspective view of the tuner inserted into a cassetteplayer, which is shown in broken lines for purposes of illustration onlyand which forms no part of the claimed design.

The ornamental design for a radio tuner, substantially as shown anddescribed.